Chapter 1: Numbers 0 to 9,999

• Lesson 1: Teen and ty numbers
• Lesson 2: Place Value
• Lesson 3: Expanding Numbers
• Lesson 4: Zero as a Placeholder
• Lesson 5: 10 ones = 1 ten
• Lesson 6: 10 tens = 1 hundred
• Lesson 7: Thousands
• Lesson 8: Seeing Numbers in Different Ways
• Lesson 9: The Value of a Place
• Lesson 10: Who Am I?
• Lesson 11: Who Am I? Arrow Cards
• Lesson 12: Largest and Smallest
• Lesson 13: Number Lines
• Lesson 14: More Number Lines
• Chapter 1 Review